Failed to join with – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when a node in an OpenSearch cluster fails to join the cluster due to network issues, incorrect configuration, or version incompatibility. To resolve this, ensure that all nodes are running compatible versions of OpenSearch. Check the network connectivity between nodes and verify that the cluster name is identical across all nodes. Also, ensure that the discovery settings are correctly configured in the OpenSearch configuration file. If the issue persists, check the OpenSearch logs for more detailed error messages.

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This guide will help you check for common problems that cause the log ” failed to join {} with {} ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: join, cluster.

Log Context

Log “failed to join {} with {}” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :


                    public void handleException(TransportException exp) {
               -> new ParameterizedMessage("failed to join {} with {}"; destination; joinRequest); exp);
                        FailedJoinAttempt attempt = new FailedJoinAttempt(destination; joinRequest; exp);
                        if (exp instanceof RemoteTransportException && (exp.getCause() instanceof NodeDecommissionedException)) {


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